XINGDONGCHI Bluetooth Audio Receiver bluetooth V4.1 +EDR Connect Your PC, iPhone, iPod, iPad, Tablets Or MP3 Player To Speakers And Home Entertainment Systems wirelessly enjoy music turns ordinary speakers into bluetooth speakers. wireless connection: connected to any any Bluetooth smartphone - iPhone, Android, Blackberry etc extra USB port provides fast charging to your USB enabled device LED indicator displays status, operational range of up to 10 meters built-in protection against shotr-circuiting over-current, and over-voltage